CRA Audit Defense: Find an Accountant Who Fights Back

What CRA Audit Defense Means

CRA audit defense means having a licensed CPA or tax lawyer represent you in your dealings with the Canada Revenue Agency during an audit. Rather than responding to CRA directly — and potentially providing more information than is required, or framing your situation poorly — a qualified professional handles all communication with the auditor on your behalf.

Representation is legal under the Taxpayer Bill of Rights. You have the right to be assisted by an agent of your choice in your dealings with the CRA. A good representative does not obstruct the audit — they ensure CRA gets what it is entitled to, nothing more, and that your position is presented accurately and persuasively.

When You Need CRA Audit Defense

Professional representation is most valuable in these situations:

• When CRA selects you for audit — the moment you receive an audit letter, not after you've already responded without advice
• When you receive a proposal letter — a proposed reassessment is your last clear opportunity to dispute findings before a formal assessment is issued
• When you receive a Notice of Assessment you disagree with — you have 90 days to file a Notice of Objection; missing this deadline forfeits your right to dispute
• When CRA is auditing multiple years — auditors sometimes expand the scope of an audit to prior years if they find issues in the year under review
• When penalties have been proposed — particularly gross negligence penalties, which represent 50% of the understated tax
• When the amounts are significant — even a modest percentage improvement in a large proposed reassessment can save far more than professional fees

What CRA Audit Defense Professionals Do

A qualified CRA audit defense professional will:

• Review CRA's information requests — confirm CRA is entitled to the information requested and that the scope is appropriate
• Gather and organize documentation — identify what documents support your position and assemble them in a format that clearly addresses CRA's concerns
• Communicate with the auditor — handle all correspondence and meetings, ensuring your position is presented clearly and professionally
• Negotiate proposed adjustments — dispute findings that are incorrect or where CRA has misapplied the law or overstated the adjustment
• File a Notice of Objection if needed — if the audit results in a reassessment you disagree with, a representative can prepare and file a formal objection
• Advise on voluntary disclosure — if you have unreported income or missed filings, the CRA's Voluntary Disclosure Program may reduce penalties, and a representative can assess whether you qualify

Desk Audit vs. Field Audit

Understanding the type of audit you're facing helps set expectations:

Desk audits (correspondence audits) are the most common. CRA sends a letter asking for specific documents — receipts for claimed expenses, documentation of RRSP contributions, records of a claimed business use for a vehicle. They are conducted by mail or through My Account. Most individual taxpayer audits are desk audits. A professional representative can often handle desk audits efficiently by providing a clear, well-organized response that resolves CRA's questions promptly.

Field audits are more serious. A CRA auditor is assigned to your file and will request to visit your place of business or home office to review your records. Field audits are more common for businesses, particularly cash-based businesses, and typically cover a wider scope. You have the right to have a representative present during all meetings with a field auditor — exercising this right is strongly recommended.

The Cost of Not Having Representation

Many taxpayers attempt to handle CRA audits themselves to save money. This is often a false economy:

• Taxpayers who respond without professional advice commonly over-disclose — providing documents and information beyond what CRA is entitled to, sometimes opening issues that were not in scope
• Late-filing penalties can reach 10% of unreported income (5% per annum) — a professional representative can often negotiate penalty waivers under the Taxpayer Relief Program
• Gross negligence penalties of 50% of understated tax can be successfully disputed by a qualified representative in many cases — but only if you respond properly
• Missing the 90-day deadline to file a Notice of Objection forfeits your right to dispute the assessment — a significant and irreversible consequence

CPA vs. Tax Lawyer: Who Should You Hire?

Both CPAs and tax lawyers can represent taxpayers before CRA. The right choice depends on your situation:

A CPA with tax audit experience is typically the right choice for:

• Most business and personal income tax audits
• GST/HST audits
• Payroll audits
• Notices of Objection on accounting or factual issues
• Voluntary disclosure applications

A tax lawyer is typically the right choice for:

• Situations where CRA is alleging fraud or considering criminal prosecution
• Large proposed reassessments with significant penalties (typically $100,000+)
• Tax Court appeals
• Situations requiring solicitor-client privilege over communications
• Complex legal arguments about the application of tax law

Many disputes are handled by a CPA and escalated to a tax lawyer if they proceed to Tax Court. The two professions frequently work together on complex cases.